Backpack steam cleaner



FIG. 1 is a top, front and right-side perspective view of a backpacksteam cleaner showing my new design;

FIG. 2 is a top, rear and left-side perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a left side elevation view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The details shown in broken lines form no part of the claimed design.

CLAIM The ornamental design for a backpack steam cleaner, as shown anddescribed.